What are biotic factors?
Oxygen, Carbon and Nitrogen Cycles

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•
Biology, Chemistry, Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Biotic factors are living things in an ecosystem, such as plants, animals, and microorganisms.
2.
FLASHCARD QUESTION
Front
What are abiotic factors?
Back
Abiotic factors are nonliving things in an ecosystem, such as water, air, soil, and sunlight.
3.
FLASHCARD QUESTION
Front
What happens to nitrogen when organisms die and decay?
Back
Their nitrogen returns to the soil, enriching it for future plant growth.
4.
FLASHCARD QUESTION
Front
What is the role of water in ecosystems?
Back
Water is an abiotic factor essential for the survival of all living organisms.
5.
FLASHCARD QUESTION
Front
What happens to carbon when fossil fuels are burned?
Back
Most of the carbon quickly enters the atmosphere as carbon dioxide.
6.
FLASHCARD QUESTION
Front
What process do organisms use to release carbon dioxide?
Back
Organisms release carbon dioxide gas through a process called respiration.
7.
FLASHCARD QUESTION
Front
What is photosynthesis?
Back
Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.
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